Footwear sole



FIG. 1 is a perspective view of the footwear sole embodying my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

FIGS. 1-6 show portions an upper in broken lines. The upper is shown for environmental purposes and does not form any part of the claimed design. The broken line along the top edge of the shoe sole throughout the views, defines the boundary of the claimed design. The broken lines form no part of the claim. 

The ornamental design for a footwear sole, as shown and described. 